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28 Cards in this Set
- Front
- Back
astronomy
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study of the universe beyond the Earth (6)
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atmosphere
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thick blanket of gases surrounding the Earth (7)
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background radiation
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low levels of energy evenly distributed throughout the
universe (16) |
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big bang theory
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theory that all matter and energy in the universe was
compressed into an extremely small volume that suddenly, billions of years ago, began expanding in all directions (17) |
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biodegradable
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able to be broken down into component parts by
microorganisms (8) |
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biosphere
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ecosystem encompassing all the life on Earth and the physical
environment that supports it (7) |
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Doppler effect
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apparent shift in the wavelength of energy, such as a sound wave
or a light wave, emitted by a source moving away from or toward an observer (15) |
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earth science
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study of the Earth and the universe around it (3)
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ecology
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study of the complex relationships between living things and their
environment (7) |
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ecosystem
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community of organisms and the environment they inhabit (7)
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element
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substance that has a characteristic set of physical and chemical
properties (15) |
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experimentation
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process by which a scientific procedure is carried out
according to certain guidelines (12) |
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geology
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study of the origin, history, and structure of the solid Earth and the
processes that shape it (4) |
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geosphere
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the solid Earth (7)
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hydrosphere
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all the Earth’s water (7)
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hypothesis
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possible explanation of a problem that is based on facts (11)
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measurement
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comparison of a property of an object or phenomenon with a
standard unit (9) |
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meteorology
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study of the Earth’s atmosphere (5)
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observation
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act of using the senses to gather information (9)
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oceanography
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study of the Earth’s oceans (5)
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pollution
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contamination of the environment with waste products or
impurities (8) |
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scientific law
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rule that correctly describes a natural phenomenon (14)
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scientific methods
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organized, logical approaches to scientific research (9)
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spectroscope
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instrument that splits white light into a band of colors (15)
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spectrum
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band of the various colors of light (14)
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theory
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hypothesis or set of hypotheses supported by the results of
experimentation and observation (14) |
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variable
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factor in an experiment that can be changed (12)
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wavelength
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distance between wave crests (14)
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